/*******************************************************************
* Copyright (c) 2010 BSUIR <romkisel@gmail.com>

* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:

* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
********************************************************************/

#include <QPixmap>
#include "shadowmap.h"

ShadowMap::ShadowMap(qreal w, qreal h, QColor color)
{
    //whidth & height of scene rect
    this->w = w;
    this->h = h;
    this->color = color;

    this->setBrush(Qt::black);
    this->setPen(Qt::NoPen);

    pixShadMap = new QImage(w, h, QImage::Format_ARGB32_Premultiplied);
    //pixShadMap-
    pixShadMap->fill(Qt::transparent);
}

void ShadowMap::clearShadowMap()
{
    pixShadMap->fill(Qt::transparent);
    QPainter p(pixShadMap);
    p.setRenderHint(QPainter::Antialiasing, false);
    p.setBrush(color);
    p.drawRect(0, 0, w, h);
}

void ShadowMap::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    painter->drawImage(-w/2, -h/2, *pixShadMap);
}

qreal ShadowMap::getW()
{
    return this->w;
}

qreal ShadowMap::getH()
{
    return this->h;
}

void ShadowMap::setW(qreal w)
{
    this->w = w;
}

void ShadowMap::setH(qreal h)
{
    this->h = h;
}

void ShadowMap::setColor(QColor color)
{
    this->color = color;
}

QColor ShadowMap::getColor()
{
    return this->color;
}

QImage * ShadowMap::getMap()
{
    return this->pixShadMap;
}
